Beaufort Cipher

Calculates encrypted messages using the Beaufort cipher, a polyalphabetic substitution method similar in function to the Vigenère cipher. The tool processes plaintext by applying a specific mathematical operation involving the key and the message characters modulo 26. It operates on an alphabetic basis, requiring both a secret keyword and the message text for encryption. Because of its self-reciprocal nature, the same input parameters used for initial encryption can also be applied to decrypt the resulting ciphertext, simplifying the process for decoding. Security students, cryptography enthusiasts, and hobbyists use this resource to understand historical and theoretical cipher mechanisms. It provides a functional platform for testing ciphers and demonstrating cryptographic principles without needing manual calculations.